Planets TonightMercury in 2045: brightness, position and events
Brightest-1.6around Jun 1
Closest (in table)0.622 au93 million km
Farthest1.412 au
Events this year12
Brightest last year-1.7
Events this year
| Date (JST) | Event | Mag | Dist (au) | Constellation | Elong. |
|---|---|---|---|---|---|
| 2045-02-04 20:36 | Superior conjunction | -1.5 | 1.400 | Capricornus | 2.1° |
| 2045-03-04 03:15 | Greatest eastern elongation (evening) | -0.3 | 0.924 | Pisces | 18.2° |
| 2045-03-20 09:56 | Inferior conjunction | +5.8 | 0.612 | Pisces | 3.3° |
| 2045-04-17 06:56 | Greatest western elongation (morning) | +0.4 | 0.860 | Pisces | 27.6° |
| 2045-05-26 08:06 | Superior conjunction | -2.4 | 1.322 | Taurus | 0.5° |
| 2045-06-29 14:13 | Greatest eastern elongation (evening) | +0.5 | 0.829 | Cancer | 25.6° |
| 2045-07-27 07:04 | Inferior conjunction | +5.4 | 0.589 | Cancer | 5.0° |
| 2045-08-15 04:34 | Greatest western elongation (morning) | -0.0 | 0.899 | Cancer | 18.8° |
| 2045-09-09 05:19 | Superior conjunction | -1.8 | 1.374 | Leo | 1.7° |
| 2045-10-25 12:56 | Greatest eastern elongation (evening) | -0.1 | 1.013 | Libra | 24.2° |
| 2045-11-16 11:53 | Inferior conjunction | +6.8 | 0.677 | Libra | 0.3° |
| 2045-12-03 15:06 | Greatest western elongation (morning) | -0.4 | 1.008 | Libra | 20.4° |
Magnitude through the year (lower = brighter)
Twice-monthly position and visibility
| Date | Mag | Dist (au) | Constellation | Elong. | Visibility |
|---|---|---|---|---|---|
| Jan 1 | -0.4 | 1.228 | Ophiuchus | 19° W | Morning sky |
| Jan 15 | -0.6 | 1.374 | Sagittarius | 13° W | Too close to the Sun |
| Feb 1 | -1.3 | 1.412 | Capricornus | 3° W | Too close to the Sun |
| Feb 15 | -1.3 | 1.303 | Aquarius | 8° E | Too close to the Sun |
| Mar 1 | -0.6 | 0.998 | Pisces | 18° E | Evening sky |
| Mar 15 | +3.1 | 0.662 | Pisces | 10° E | Too close to the Sun |
| Apr 1 | +1.5 | 0.652 | Pisces | 20° W | Morning sky |
| Apr 15 | +0.5 | 0.833 | Pisces | 28° W | Morning sky |
| May 1 | -0.1 | 1.074 | Pisces | 23° W | Morning sky |
| May 15 | -1.1 | 1.262 | Aries | 12° W | Too close to the Sun |
| Jun 1 | -1.6 | 1.287 | Taurus | 8° E | Too close to the Sun |
| Jun 15 | -0.3 | 1.074 | Gemini | 21° E | Evening sky |
| Jul 1 | +0.6 | 0.798 | Cancer | 26° E | Evening sky |
| Jul 15 | +2.0 | 0.622 | Cancer | 18° E | Evening sky |
| Aug 1 | +3.7 | 0.629 | Cancer | 9° W | Too close to the Sun |
| Aug 15 | -0.1 | 0.907 | Cancer | 19° W | Morning sky |
| Sep 1 | -1.5 | 1.298 | Leo | 8° W | Too close to the Sun |
| Sep 15 | -1.2 | 1.393 | Virgo | 6° E | Too close to the Sun |
| Oct 1 | -0.4 | 1.329 | Virgo | 16° E | Evening sky |
| Oct 15 | -0.2 | 1.176 | Libra | 22° E | Evening sky |
| Nov 1 | +0.1 | 0.878 | Scorpius | 23° E | Evening sky |
| Nov 15 | +5.9 | 0.676 | Libra | 2° E | Too close to the Sun |
| Dec 1 | -0.3 | 0.956 | Libra | 20° W | Morning sky |
| Dec 15 | -0.5 | 1.243 | Scorpius | 17° W | Morning sky |
Computed with the JPL DE421 ephemeris and Skyfield (times in JST). Magnitude and distance are for 12:00 JST on each date. Visibility is a rough guide for mid-northern latitudes such as Japan.
About this page
Mercury is brightest around June 2045 (magnitude -1.6); 12 conjunctions, oppositions or elongations occur this year.